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Vulnerability record · CVE-2021-38528 · published 11 August 2021

CVE-2021-38528: Netgear d8500 firmware command injection vulnerability

Netgear · D8500 Firmware

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

9.8 CVSS 3.1 Critical EPSS 2.0% · top 20.0% CWE-77 · Command injection
9.8CVSS 3.1 base score, v2 10.0
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000063781/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Gateways-and-Routers Vendor Advisory
https://kb.netgear.com/000063781/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Gateways-and-Routers Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2016-6277NETGEAR router cgi-bin command injection allows remote code executionMultiple NETGEAR router models fail to sanitize shell metacharacters in the path info passed to cgi-bin/, allowing remote command execution. The flaw…KEVEPSS 100%analysed9.8CVE-2023-36187Netgear cbr40 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via craf…EPSS 1.1%9.8CVE-2023-38928Netgear r7100lg firmware command injection vulnerabilityNetgear R7100LG 1.0.0.78 was discovered to contain a command injection vulnerability via the password parameter at usb_remote_invite.cgi.EPSS 1.5%9.8CVE-2022-48322Netgear mr60 firmware out-of-bounds write vulnerabilityNETGEAR Nighthawk WiFi Mesh systems and routers are affected by a stack-based buffer overflow vulnerability. This affects MR60 before 1.1.7.132, MS60…EPSS 0.68%9.8CVE-2022-48196Netgear rax40 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX40 before 1.0.2.60, RAX35 before 1.0.2.60, …EPSS 0.94%9.8CVE-2022-44184Netgear r7000p firmware out-of-bounds write vulnerabilityNetgear R7000P V1.3.0.8 is vulnerable to Buffer Overflow in /usr/sbin/httpd via parameter wan_dns1_sec.EPSS 1.0%9.8CVE-2022-44197Netgear r7000p firmware out-of-bounds write vulnerabilityNetgear R7000P V1.3.0.8 is vulnerable to Buffer Overflow via parameter openvpn_server_ip.EPSS 1.1%9.8CVE-2022-44200Netgear r7000p firmware out-of-bounds write vulnerabilityNetgear R7000P V1.3.0.8, V1.3.1.64 is vulnerable to Buffer Overflow via parameters: stamode_dns1_pri and stamode_dns1_sec.EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2021-38528), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.